Last night, a source said: “None of the main cast were told about Annie and Millie filming. It was all shrouded in secrecy.

“The girls arrived together but filmed many of their scenes separately, getting to know the other cast members including Lauren Simon, Dawn Ward and Tanya Bardsley.

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John Stones' ex Millie Savage will also be appearing on the reality showCredit: Darren Fletcher - The Sun

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Producers are hoping Millie will open up about her disloyal ex StonesCredit: Darren Fletcher - The Sun

“Both women have been through the mill of late with their turbulent personal lives and cheating partners, so some of the cast were sympathising with them once the cameras stopped rolling. They will make great TV and Wednesday’s episode is being regarded as a screen test for a full-time wife role next year — although the view is that Millie is more likely to take part.

“Producers are hoping they’ll let rip about Kyle and John and what s***bags they’ve been. It will be TV dynamite.”